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Finding the Fourth Proportional to 125,938.75, 173,796.69 and 69,351.34

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Solution

The fourth proportional to 125,938.75, 173,796.69 and 69,351.34 is: 95,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,938.75 : 173,796.69 = 69,351.34 : x
  2. Step 2: Convert to fraction form
    125,938.75/173,796.69 = 69,351.34/x
  3. Step 3: Cross multiply
    125,938.75x = 173,796.69 × 69,351.34
  4. Step 4: Simplify right side
    125,938.75x = 12,053,033,339.06
  5. Step 5: Solve for x
    x = 12,053,033,339.06/125,938.75
  6. Step 6: Final answer
    x = 95,705.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.